Computer Graphics NPTEL Assignment 3 Answers
Course Name: Computer Graphics NPTEL
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These are the solution of Computer Graphics NPTEL Assignment 3 Answers
Q1) At the time of defining the objects, its shape, size, and position is not important.
a. True
b. False
Answer: a. True
Q2) In order to obtain composite matrix we multiply basic matrix in sequence. In this case
a. we follow right-to-left rule in forming the sequence
b. we follow left-to-right rule in forming the sequence
c. we can follow either right-to-left or left-to-right rule in forming the sequence
d. any order can be considered in forming the sequence, as we are multiplying the matrices
Answer: a. we follow right-to-left rule in forming the sequence
Q3) We can create a _______ grid to represent a 3D space.
a. Pixel
b. Voxel
c. Frequency
d. Time
Answer: b. Voxel
These are the solution of Computer Graphics NPTEL Assignment 3 Answers
Q4) With shearing transformation, we cannot change shape of an object.
a. True
b. False
Answer: b. False
Q5) When same scaling factor is used along both X and Y direction it is called
a. Uniform scaling
b. Differential scaling
c. Equilateral scaling
d. Perpendicular scaling
Answer: a. Uniform scaling
Q6) In 3D shearing there are _________ shearing factors.
a. 3
b. 6
c. 9
d. 12
Answer: b. 6
These are the solution of Computer Graphics NPTEL Assignment 3 Answers
Q7) Matrix multiplication is commutative. So any sequence of the multiple geometric transformation will lead to same result.
a. True
b. False
Answer: b. False
Q8) In homogeneous coordinate system, any point of the form Ph(xh,yh,0) is considered to be at _____.
a. Origin
b. Infinity
Answer: b. Infinity
Q9) BSP stands for ________.
a. Binary Sweep Partitioning
b. Best Space Partitioning
c. Binary Space Partitioning
d. Best Sweep Partitioning
Answer: c. Binary Space Partitioning
These are the solution of Computer Graphics NPTEL Assignment 3 Answers
Q10) In scaling we multiply the object coordinates by some scalers, called ___________.
a. Scaling index
b. Scaling factor
Answer: b. Scaling factor
These are the solution of Computer Graphics NPTEL Assignment 3 Answers
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